Can anyone tell me if this is possible to do?

I have a page with many sub pages (3-6 sub pages). Each sub page has a list of entries. Entries are categorized.

I want to display all information on one page in the following structure.

-Page
   - Sub Page 1
      - Category Name 1
         - Entry 1
         - Entry 2
         - Entry 3
         - Entry 4
      - Category Name 2
         - Entry 5
         - Entry 6
   - Sub Page 2
      - Category Name 3
         - Entry 7
         - Entry 8

Thanks